html{
    height: 100%;
}
body{
    margin: 0;
    padding: 0;
    background-color:  #051f42f8;
}
#logo-box{
   position: absolute;
   top: 45%;
   left: 50%;
   width: 500px;
   padding: 60px;
   transform: translate(-50%,-50%);
   background: rgba(0, 0, 0, 0);
   box-sizing: border-box;
   box-shadow: 0 0 15px  rgba(35, 211, 211, 0.377);
   border-radius: 5%;
}

#logo-box h2{
    margin: 0 0 40px;
    padding: 0;
    color: #fff;
    text-align: center;
}
#logo-box #user{
    position: relative;
}
#logo-box #user input{
    width: 100%;
    padding: 10px 0;
    font-size: 16px;
    color: #fff;
    margin-bottom: 30px;
    border: none;
    border-bottom: 1px solid #fff;
    outline: none;
    background: transparent;
}
#logo-box #user label{
    position: absolute;
    top: 0;
    left: 0;
    padding: 10px 0;
    font-size: 16px;
    color: #fff;
    pointer-events: none;
    transition: 0.5s;
}

#logo-box #user input:focus ~ label,
#logo-box #user input:valid ~ label{
    top: -20px;
    left: 0;
    color: turquoise;
    font-size: 12px;
}
#logo-box form #a1{
	position: relative;
	top: 20px;
	display: inline-block;
	padding: 10px 20px;
	color: #03e9f4;
	font-size: 16px;
	text-decoration: none;
	text-transform: uppercase;
	overflow: hidden;
	transition: .5s;
	margin-top: 20px;
	letter-spacing: 4px;
}
#logo-box #a1:hover{
	background: #03e9f4;
	color: #fff;
	border-radius: 5px;
	box-shadow: 0 0  10px #03e9f4,
				0 0  25px #03e9f4,
				0 0  50px #03e9f4,
				0 0  100px #03e9f4;
}

#logo-box #a1 span{
	position: absolute;
	display: block;
}
#logo-box #a1 span:nth-child(1){
	top: 0;
	left: -100%;
	width: 100%;
	height: 2px;
	background: linear-gradient(90deg,transparent,#03e9f4);
	animation: btn-anim1 4s linear infinite;
}
@keyframes btn-anim1{
	0%{
		left: -100%;
	}
	50%,100%{
		left: 100%;
	}
}

#logo-box #a1 span:nth-child(2){
	top: -100%;
	right: 0;
	height: 100%;
	width: 2px;
	background: linear-gradient(180deg,transparent,#03e9f4);
	animation: btn-anim2 4s linear infinite;
	animation-delay: 1s;
}
@keyframes btn-anim2{
	0%{
		top: -100%;
	}
	50%,100%{
		top: 100%;
	}
}
#logo-box #a1 span:nth-child(3){
	bottom: 0;
	right: -100%;
	width: 100%;
	height: 2px;
	background: linear-gradient(270deg,transparent,#03e9f4);
	animation: btn-anim3 4s linear infinite;
	animation-delay: 2s;
}
@keyframes btn-anim3{
	0%{
		right: -100%;
	}
	50%,100%{
		right: 100%;
	}
}
#logo-box #a1 span:nth-child(4){
	bottom: -100%;
	left: 0;
	height: 100%;
	width: 2px;
	background: linear-gradient(360deg,transparent,#03e9f4);
	animation: btn-anim4 4s linear infinite;
	animation-delay: 3s;
}
@keyframes btn-anim4{
	0%{
		bottom: -100%;
	}
	50%,100%{
		bottom: 100%;
	}
}


#logo-box form #a2{
	position: relative;
	top: 20px;
	left: 100px;
	display: inline-block;
	padding: 10px 20px;
	color: #03e9f4;
	font-size: 16px;
	text-decoration: none;
	text-transform: uppercase;
	overflow: hidden;
	transition: .5s;
	margin-top: 20px;
	letter-spacing: 4px;
}
#logo-box #a2:hover{
	background: #03e9f4;
	color: #fff;
	border-radius: 5px;
	box-shadow: 0 0 10px #03e9f4,
				0 0 25px #03e9f4,
				0 0 50px #03e9f4,
				0 0 100px #03e9f4;
}

#logo-box #a2 span{
	position: absolute;
	display: block;
}
#logo-box #a2 span:nth-child(1){
	top: 0;
	right: -100%;
	width: 100%;
	height: 2px;
	background: linear-gradient(270deg,transparent,#03e9f4);
	animation: btn-anin1 4s linear infinite;
}
@keyframes btn-anin1{
	0%{
		right: -100%;
	}
	50%,100%{
		right: 100%;
	}
}

#logo-box #a2 span:nth-child(2){
	top: -100%;
	left: 0;
	height: 100%;
	width: 2px;
	background: linear-gradient(180deg,transparent,#03e9f4);
	animation: btn-anin2 4s linear infinite;
	animation-delay: 1s;
}
@keyframes btn-anin2{
	0%{
		top: -100%;
	}
	50%,100%{
		top: 100%;
	}
}
#logo-box #a2 span:nth-child(3){
	bottom: 0;
	right: -100%;
	width: 100%;
	height: 2px;
	background: linear-gradient(90deg,transparent,#03e9f4);
	animation: btn-anin3 4s linear infinite;
	animation-delay: 2s;
}
@keyframes btn-anin3{
	0%{
		left: -100%;
	}
	50%,100%{
		left: 100%;
	}
}
#logo-box #a2 span:nth-child(4){
	bottom: -100%;
	right: 0;
	height: 100%;
	width: 2px;
	background: linear-gradient(360deg,transparent,#03e9f4);
	animation: btn-anin4 4s linear infinite;
	animation-delay: 3s;
}
@keyframes btn-anin4{
	0%{
		bottom: -100%;
	}
	50%,100%{
		bottom: 100%;
	}
}
.mima{background: white;width: 180px;height: 5px;}
.mima div {float: left;}
p{
	color: #fff;
}
#ruo{
	width: 60px;height: 5px;
	background: red;
}
#zhong{
	width: 60px;height: 5px;
	background: gold;
}
#gao{
	width: 60px;height: 5px;
	background: green;
}